Optimization of Sequential Microwave–Ultrasound-Assisted Extraction of Turmeric (Curcuma longa L.) Using Response Surface Methodology and Evaluation of Its Antioxidant Activity
Turmeric (Curcuma longa L.) is a natural source of curcuminoids, particularly curcumin, with potential applications in food, pharmaceutical, and cosmetic products. This study evaluated a two-stage microwave pretreatment-ultrasound- assisted extraction process for curcumin recovery from turmeric. Separate three-factor B...